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Terms for subject Hydroelectric power stations (51523 entries)

vacuum air pump	真空抽气机
vacuum air pump	真空气泵
vacuum brake	真空制动器
vacuum brake	气刹车
vacuum break valve	直空破坏阀
vacuum breakers	真空破坏器
vacuum circuit-breaker	真空断路器
vacuum control	真空控制
vacuum drain	真空排水
vacuum extinction chamber	真空灭弧室
vacuum fuse	真空熔断器
vacuum grouting	真空灌浆
vacuum relay	真空继电器
vacuum switch	真空开关
vacuum tube	真空管
vacuum tube	电子管
vacuum-bottle	热水瓶
vacuum-gauge	真空计
vacuum-meter	真空计
vacuum-meter	负压计